// Copyright (c) Appeon. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.

namespace SnapObjects.Data
{
    internal class SqlBuilderGenerator : ISqlBuilderGenerator
    {
        private readonly ISqlStatementFactory _factory;

        public SqlBuilderGenerator(ISqlStatementFactory factory)
        {
            _factory = factory;
        }

        public SqlSyntaxDescription Create(SqlBuildStatement statement)
        {
            var parser = _factory.GetBuilderParser(statement.StatementType);

            ISqlStatementGenerator generator;

            if (statement is RawBuildStatement raw)
            {
                generator = _factory.GetSqlGenerator(raw.SyntaxType);
            }
            else
            {
                generator = _factory.GetSqlGenerator(statement.StatementType);
            }

            var sqlStatement = parser.Parse(statement);

            return generator.Create(sqlStatement);
        }
    }
}
